Reuse displaysync thread for subsequent updates -------------
Commit messages: - 8290344: Start/stop displaysync affects performance in metal rendering pipeline Changes: https://git.openjdk.org/jdk/pull/9512/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9512&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8290344 Stats: 22 lines in 2 files changed: 15 ins; 0 del; 7 mod Patch: https://git.openjdk.org/jdk/pull/9512.diff Fetch: git fetch https://git.openjdk.org/jdk pull/9512/head:pull/9512 PR: https://git.openjdk.org/jdk/pull/9512
